WACKEN, GERMANY - AUGUST 02: Singer Mikael Akerfeldt of the Swedish band Opeth performs live on stage during the second day of the Wacken Open Air festival on August 2, 2019 in Wacken, Germany. Wacken is a village in northern Germany that has hosted the annual festival, which attracts heavy metal fans from around the world, since 1990. (Photo by Gina Wetzler/Redferns)